In extreme cases, the hotline to the brain's emotional system can make swearing harmful, as when road rage escalates into physical violence.
What begins as a simple plan - "in and out in seven minutes" -quickly escalates into a dangerous game of life or death.
But that is unlikely to happen soon in any broad and coordinated way, so the danger is in fact that currency war escalates into trade restrictions and more extreme controls of capital flows.
You will get sweaty. Very hot and sweaty, as your body temperature escalates.
We need to be assured that we continue to function well, especially if the emergency escalates.
